Census tract · Delaware County
Census Tract 4097.01, Delaware County, Pennsylvania
Census Tract 4097.01, GEOID 42045409701, in Delaware County, Pennsylvania, entirely within Radnor Township. 7,318 residents in the ACS 2020-2024 5-year estimates (±673); the 2020 Census counted 8,507.
Residents, 2020-2024
7,318
±673 (90% margin)
2020 Census count: 8,507
Median household income
$250,000 or more
The survey's top or bottom value; no margin is published
Delaware County: $89,546
Median home value
$898,800
±$68,566 (90% margin)
Delaware County: $332,200
Median gross rent
$2,241
±$174 (90% margin)
Delaware County: $1,372
Where is Census Tract 4097.01?
Census Tract 4097.01 is one of 152 census tracts in Delaware County, Pennsylvania. It covers 6.07 square miles of land, 1,402 residents per square mile in 2020. Its GEOID, 42045409701, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Radnor Township | 100% |
| Villanova | 21% |
| St. Davids | 14% |
11 census tracts border Census Tract 4097.01: Tract 4081.01 ($137,941), Tract 4084 ($122,319), Tract 4096.01 ($160,687), Tract 4096.02 ($77,546), Tract 4098.03 ($151,228), Tract 4098.04 ($208,635), Tract 4099.03 ($105,950), Tract 4099.04 ($201,033), Tract 9801 ($188,558), Tract 9802* and Tract 2049 in Montgomery County ($250,000 or more). The figure in brackets is each tract's median household income; * a special land-use tract (water, a park or an institution) with few or no residents.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 4097.01?
The 2020-2024 American Community Survey puts Census Tract 4097.01's population at 7,318 (±673) in 1,795 households; the 2020 Census counted 8,507 residents and 2,089 housing units.
| Measure | Tract 4097.01 | Radnor Township |
|---|---|---|
| Total population | 7,318 ±673 | 33,718 |
| Households | 1,795 ±228 | 9,585 |
| Average household size | 3.09 ±0.18 | 2.62 |
| Housing units | 1,849 ±227 | 10,263 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 4097.01?
The median resident of Census Tract 4097.01 is 27.5 years old; 17.8% are under 18 and 13.3% are 65 or older. The largest group is non-Hispanic white residents at 73.1%, then non-Hispanic Asian residents at 9.9%. 14.8% of residents were born outside the United States.
| Measure | Tract 4097.01 | Radnor Township |
|---|---|---|
| Median age | 27.5 ±5.9 | 26.2 |
| Under 18 years | 17.8% ±2.5 pts | 18.3% |
| 65 years and over | 13.3% ±1.8 pts | 12.6% |
| Hispanic or Latino (any race) | 7.7% ±4.2 pts | 5.6% |
| White alone, not Hispanic | 73.1% ±6.4 pts | 76.2% |
| Black or African American alone, not Hispanic | 2.9% ±1.1 pts | 4.9% |
| Asian alone, not Hispanic | 9.9% ±2.8 pts | 8.8% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.4 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.4 pts | 0.0% |
| Two or more races, not Hispanic | 6.4% ±3.2 pts | 4.5% |
| Some other race alone, not Hispanic | 0.0% ±0.4 pts | 0.0% |
| Born outside the United States | 14.8% ±3.9 pts | 12.4% |
| Speak a language other than English at home (age 5+) | 20.9% ±4.8 pts | 15.2% |
| Civilian veterans (age 18+) | 2.0% ±1.0 pts | 3.3% |
| With a disability | 6.0% ±2.0 pts | 6.7% |
| No health insurance coverage | 1.8% ±1.3 pts | 2.5% |
| High school graduate or higher (age 25+) | 96.2% ±2.7 pts | 98.0% |
| Bachelor's degree or higher (age 25+) | 75.9% ±7.4 pts | 74.8% |
| Graduate or professional degree (age 25+) | 43.1% ±8.5 pts | 40.9% |
| Lived in the same house a year earlier | 88.5% ±4.1 pts | 81.2% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 4097.01 earn?
Half of the 1,795 households in Census Tract 4097.01 earn less than $250,000 or more a year (), against $89,546 across Delaware County: 1st highest of the county's 147 tracts with a reliable estimate.
| Measure | Tract 4097.01 | Radnor Township |
|---|---|---|
| Median household income | $250,000 or more | $164,359 |
| Mean household income | $379,993 ±$54,917 | $259,251 |
| Per capita income | $94,777 ±$13,178 | $77,677 |
| People below the poverty line | 3.4% ±4.2 pts | 6.9% |
| Children under 18 below the poverty line | 8.0% ±12.4 pts | 6.6% |
| Households receiving SNAP | 0.6% ±1.2 pts | 2.3% |
| Households with a computer | 100.0% ±1.8 pts | 98.6% |
| Households with a broadband subscription | 98.8% ±1.9 pts | 96.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 4097.01?
Owners occupy 91.1% of Census Tract 4097.01's occupied homes and renters 8.9%. The median owner-occupied home is valued at $898,800 by its owner (±$68,566). The median renter pays $2,241 a month including utilities, and 74.8% of renters pay 35% or more of their income on rent.
| Measure | Tract 4097.01 | Radnor Township |
|---|---|---|
| Median home value (owner-occupied) | $898,800 ±$68,566 | $833,900 |
| Median gross rent | $2,241 ±$174 | $1,927 |
| Renters paying 35% or more of income on rent | 74.8% ±38.0 pts | 47.6% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 91.1% ±6.4 pts | 65.9% |
| Renter-occupied homes | 8.9% ±6.4 pts | 34.1% |
| Housing units | 1,849 ±227 | 10,263 |
| Single-family detached homes | 91.4% ±6.3 pts | 55.6% |
| Mobile homes | 0.0% ±1.7 pts | 0.0% |
| Built 2020 or later | 1.2% ±1.9 pts | 0.5% |
| Built 2010 to 2019 | 1.1% ±1.8 pts | 2.8% |
| Built 1939 or earlier | 9.8% ±4.0 pts | 19.9% |
| Households with no vehicle | 0.0% ±1.8 pts | 4.0% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 4097.01 get to work?
43.5% of Census Tract 4097.01's workers drive alone and 39.3% work from home. The average trip to work takes 22.3 minutes. The unemployment rate in 2020-2024 averaged 3.4%.
| Measure | Tract 4097.01 | Radnor Township |
|---|---|---|
| In the labor force (age 16+) | 53.2% ±4.1 pts | 58.8% |
| Unemployment rate | 3.4% ±2.0 pts | 5.6% |
| Drove alone to work | 43.5% ±7.3 pts | 47.3% |
| Carpooled | 3.4% ±2.6 pts | 4.7% |
| Public transportation | 0.2% ±0.4 pts | 6.1% |
| Walked | 12.5% ±3.1 pts | 12.8% |
| Worked from home | 39.3% ±9.1 pts | 27.6% |
| Mean travel time to work | 22.3 min ±3.4 | 23.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 4097.01 compare with the other tracts in Delaware County?
Among Delaware County's tracts with a reliable estimate, Census Tract 4097.01 ranks as shown below (1 = highest).
| Measure | In Delaware County |
|---|---|
| Population | 2nd of 150 |
| Residents per square mile | 134th of 152 |
| Median household income | 1st of 147 |
| Per capita income | 5th of 149 |
| Median home value | 3rd of 147 |
| Median gross rent | 14th of 138 |
| Bachelor's degree or higher | 8th of 145 |
| Median age | 144th of 150 |
| Owner-occupied share | 26th of 147 |
The tracts next to it on Delaware County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4097.01 | 1st | $250,000 or more |
| Tract 4101.02 | 2nd | $212,824±$22,804 |
| Tract 4098.04 | 3rd | $208,635±$33,856 |
| Tract 4079.01 | 4th | $201,912±$48,630 |
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 4097.01?
1 of the 18 figures for Census Tract 4097.01 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections